编辑“︁HD 13931 b”︁

{{Planetbox begin 
| name = [[HD星表|HD]] 13931 b
}} 
{{Planetbox star
| star = [[HD 13931]]
| constell = [[仙女座]]
| ra = {{RA|02|16|47.3791}}
| dec = {{DEC|+43|46|22.784}}
| app_magv = 7.61
| dist_ly = 144.2 ± 4.6
| dist_pc = 44.2 ± 1.4
| class = G0
| mass = 1.02 ± 0.02
| radius = 1.23 ± 0.06
| temperature = 5829 ± 44
| metallicity = 0.03 ± 0.04
| age = 8.4 ± 2.0
}}
{{Planetbox orbit 
| semimajor = 5.15 ± 0.29
| semimajor_gm = ~770
| semimajor_mas = ~116
| periastron = 5.05 ± 0.43
| periastron_gm = ~756
| apastron = 5.25 ± 0.46
| apastron_gm = ~785
| eccentricity = 0.02 ± 0.05
| period = 4218 ± 388
| period_year = ~11.55
| speed = 13.3 ± 2.2
| arg_peri = 290 ± 78
| t_peri = 24494 ± 904
| semi-amp = 22.8 ± 3.0
}}
{{Planetbox character 
| minimum_mass = 1.88 ± 0.15
}} 
{{Planetbox discovery 
| discovery_date = 2009年11月13日
| discoverers = Howard ''et al.''
| discovery_method = [[都卜勒光譜學|徑向速度量測]]
| discovery_site = [[凱克天文台]]
| discovery_status = Submitted
}}
{{Planetbox catalog
| names = [[波恩星表|BD]]+43°459 b, [[依巴谷卫星|HIP]] 10626 b
}}
{{Planetbox reference
| star = HD+13931
| planet = b
}}
{{Planetbox end}}

'''HD 13931 b'''，或稱為'''HIP 10626 b'''，是一個環繞[[黃矮星]][[HD 13931]]的[[系外行星]]，距離地球約144光年，位於[[仙女座]]。

==概述==
該行星軌道週期11.55年，距離母恆星平均距離5.15天文單位。該行星的[[軌道離心率]]為0.02，與地球軌道相當。該行星距離母星距離在5.05到5.25天文單位之間變化。HD 13931 b是使用凱克天文台的[[攝譜儀]]以[[都卜勒光譜學|徑向速度量測]]方式於2009年11月13日發現。

== 參見 ==
其他在2009年11月13日發現或確認的系外行星：
* [[HD 34445 b]]
* [[HD 126614 Ab]]
* [[HD 24496 Ab]]
* [[葛利斯179b]]
* [[室女座QS|室女座QSb]]

== 參考資料 ==
* {{cite journal | url=http://iopscience.iop.org/0004-637X/721/2/1467 | last1=Howard | first1=Andrew W. | title=The California Planet Survey. I. Four New Giant Exoplanets | journal=[[天文物理期刊|The Astrophysical Journal]] | volume=721 | issue=2 | pages=1467–1481 | year=2010 | doi=10.1088/0004-637X/721/2/1467 | last2=Johnson | first2=John Asher | last3=Marcy | first3=Geoffrey W. | last4=Fischer | first4=Debra A. | last5=Wright | first5=Jason T. | last6=Bernat | first6=David | last7=Henry | first7=Gregory W. | last8=Peek | first8=Kathryn M. G. | last9=Isaacson | first9=Howard | display-authors=1 | bibcode=2010ApJ...721.1467H | access-date=2012-01-26 | archive-date=2011-06-03 | archive-url=https://web.archive.org/web/20110603235949/http://iopscience.iop.org/0004-637X/721/2/1467 | dead-url=no }}([http://xxx.lanl.gov/abs/1003.3488 web Preprint])

* {{cite web |url=http://exoplanet.eu/planet.php?p1=HD+13931&p2=b |title=Notes for Planet HD 13931 b |author=Jean Schneider |year=2011 |work= |publisher=[[太陽系外行星百科|Extrasolar Planets Encyclopaedia]] |accessdate=29 September 2011 |archive-date=2012-06-02 |archive-url=https://web.archive.org/web/20120602004742/http://exoplanet.eu/planet.php?p1=HD+13931&p2=b |dead-url=no }}

{{Sky|02|16|47.3791|+|43|46|22.784|144.2}}

[[Category:2009年发现的系外行星]]
[[Category:类木行星]]
[[Category:仙女座]]